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Exercise intensity, exercise training and energy metabolism in overweight and obese males

Roffey, Darren M. (2008) Exercise intensity, exercise training and energy metabolism in overweight and obese males. PhD thesis, Queensland University of Technology.

Abstract

The primary objective of this PhD program was to investigate the impact of training at a constant-load moderate-intensity (FATmax) compared to work-matched high-intensity intervals (HIIT) on the metabolic, physiological and psychosocial health profiles of sedentary overweight and obese men. This study was unique in that it was the first time the effect of exercise intensity had been investigated to examine concurrently the components of whole-body energy metabolism and body composition as measured using gold standard techniques.

Based upon the positive alterations in blood lipids, body composition, cardiorespiratory fitness and substrate oxidation, it appears that training at FATmax can positively impact health parameters as well as, or if not better than, high-intensity training. Furthermore, there are ramifications for public health messages and obesity management strategies arising from these findings, primarily attributable to the increased exercise adherence and the reduction in health risks stemming from the significant loss of abdominal visceral adipose tissue after FATmax training.

Impact and interest:

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ID Code: 17823
Item Type: QUT Thesis (PhD)
Supervisor: Byrne, Nuala& Hills, Andrew
Keywords: obesity, substrate utilisation, fat oxidation, resting metabolic rate, maximum aerobic power, physical activity, FATmax, energy expenditure, non-exercise activity thermogenesis, body composition, accelerometry, heart rate monitoring, exercise prescription, dietary intake
Divisions: Current > Institutes > Institute of Health and Biomedical Innovation
Institution: Queensland University of Technology
Deposited On: 13 Feb 2009 09:51
Last Modified: 29 Oct 2011 05:52

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